MIC5237(2000) データシートの表示（PDF） - Micrel

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MIC5237
(Rev.:2000)

500mA Low-Dropout Regulator

Micrel 

MIC5237

Typical Characteristics

Power Supply

Rejection Ratio

0

VIN = 6V

-20

VOUT = 5V

-40

-60

-80

IOUT = 100µA

COUT = 1µF

-100

1E1+01 11E0+02 1E1+k3 11E0+k4 11E0+05k 1E1M+6 1E0M+7

FREQUENCY (Hz)

Micrel

Power Supply

Rejection Ratio

0

VIN = 6V

-20

VOUT = 5V

-40

-60

-80

IOUT = 1mA

COUT = 1µF

-100

1E1+01 11E0+02 1E1+k3 11E0+k4 11E0+05k 1E1M+6 1E0M+7

FREQUENCY (Hz)

Power Supply Ripple Rejection

vs. Voltage Drop

60

50

1mA

40

30

10mA IOUT = 100mA

20

10

COUT = 1µF

0

0

0.1 0.2 0.3 0.4

VOLTAGE DROP (V)

Power Supply

Rejection Ratio

0

VIN = 6V

-20 VOUT = 5V

-40

-60

-80

IOUT = 100mA

COUT = 1µF

-100

1E1+01 11E0+02 1E1+k3 11E0+k4 11E0+05k 1E1M+6 1E0M+7

FREQUENCY (Hz)

Noise Performance

10

1

100mA

0.1

10mA

0.01

VOUT = 5V

0.001 COUT = 10µF

1mA

electrolytic

0.0001

1E10+1 11E0+02 1E1k+3 11E0+k4 11E0+0k5 1E1M+6 11E0+M7

FREQUENCY (Hz)

January 2000

5

MIC5237

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